55533224243 has 12 divisors (see below), whose sum is σ = 66827456640. Its totient is φ = 45958529232.

The previous prime is 55533224191. The next prime is 55533224281. The reversal of 55533224243 is 34242233555.

It is not a de Polignac number, because 55533224243 - 2¹² = 55533220147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55533224197 and 55533224206.

It is not an unprimeable number, because it can be changed into a prime (55533224443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19538771 + ... + 19541612.

It is an arithmetic number, because the mean of its divisors is an integer number (5568954720).

Almost surely, 2^55533224243 is an apocalyptic number.

55533224243 is a deficient number, since it is larger than the sum of its proper divisors (11294232397).

55533224243 is a wasteful number, since it uses less digits than its factorization.

55533224243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39080426 (or 39080419 counting only the distinct ones).

The product of its digits is 432000, while the sum is 38.

Adding to 55533224243 its reverse (34242233555), we get a palindrome (89775457798).

The spelling of 55533224243 in words is "fifty-five billion, five hundred thirty-three million, two hundred twenty-four thousand, two hundred forty-three".